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Randall, Lisa

(Encyclopedia)Randall, Lisa, 1962–, American theoretical physicist and writer, b. New York City, B.A. Harvard University, 1983, Ph.D. Harvard University, 1987. Rand...

differential geometry

(Encyclopedia)differential geometry, branch of geometry in which the concepts of the calculus are applied to curves, surfaces, and other geometric entities. The approach in classical differential geometry involves ...

conservation laws

(Encyclopedia)conservation laws, in physics, basic laws that together determine which processes can or cannot occur in nature; each law maintains that the total value of the quantity governed by that law, e.g., mas...

geology

(Encyclopedia)geology, science of the earth's history, composition, and structure, and the associated processes. It draws upon chemistry, biology, physics, astronomy, and mathematics (notably statistics) for suppor...

Li T'ang

(Encyclopedia)Li T'ang lē täng [key], c.1050–1130, Chinese painter of the Sung dynasty. A leader of the academy founded by the Emperor Hui-tsung, he established a mode of painting that was widely followed in su...

grave

(Encyclopedia)grave, space excavated in the earth or rock for the burial of a corpse. When a grave is marked by a protective or memorial structure it is often referred to as a tomb. See burial; funeral customs. ...

intercolumniation

(Encyclopedia)intercolumniation ĭnˌtərkəlŭmˌnēāˈshən [key], in classical architecture, the clear space between the edges of two adjacent columns, as measured at the lower portion of their shafts. Vitruviu...

Barstow

(Encyclopedia)Barstow bärˈstō [key], city (2020 pop. 25,415), San Bernardino co., SE Calif., on the dry ...

port, harbor

(Encyclopedia)port, a natural or artificial harbor and its terminal facilities for the transfer of goods and passengers to or from waterborne means of transport. Port cities are located on oceans, lakes, rivers, an...

Woomera

(Encyclopedia)Woomera wo͞oˈmərə [key], village (2016 pop. 146), South Australia, S Australia, near Lake Torrens. It is located within the large Woomera Range Complex, which includes and air force and missile-te...